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How to build a complete, real-world application from scratch with Ruby on Rails step by step.
A lot of Ruby code is "magic". We'll explain the magic and see how it works using the powerful tools Ruby gives us.
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Expert advice on keeping Rails apps organized and fast.
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Setup your computer with Ruby on Rails and deploy to a production server.
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Did you know serialize can be used for more than saving Ruby hashes as JSON or Yaml in your db? You can take any attribute and convert it to an object seamlessly with Rails using serialize and custom coders.
ActiveStorage has introduced lots of improvements in recent Rails versions to make managing file uploads much easier.
In this lesson, we will look at some guidelines which we can use to help keep our Rails model files organized and uniform. Along the way we will uncover a couple of gotchas to be aware of when doing the work to align your files with the template.
Not eager loading in your Rails applications can have series performance side effects. Rails now comes with a strict_loading feature that you can use to make sure that queries are run in an efficient manner.
In this lesson, we will look at the various ways we can use the super keyword in Ruby in regard to forwarding method arguments to the equivalent method in a parent class.
In this lesson, we will look at a new option coming to ActiveJob in Rails 7.1 for enqueuing multiple jobs at once using the perform_all_later class method.
In this lesson, we will look at a new option coming to the rails routes command in Rails 7.1 which will display a list of any routes deemed as unused in your Rails application. Let's see what qualifies a route as unused and learn some other handy tips!
Rails 7.1's new generates_token_for method allows us to build password reset and Magic Link login tokens without storing details in the database. Tokens have expirations and can be one-time use so they can't be reused.
Has secure password is boasting some new benefits in Rails 7.1 with the addition of the authenticate_by method which reduces timing-based enumeration attack vulnerabilities. Also being introduced is the ability to provide a required password challenge.
Congratulations! We're all done! We now have a fully featured URL shortener that does everything we need plus some cool extras.
Once our application has lots of links, it will become impossible to use. Let's add pagination to make our application usable once we have hundreds or thousands of links.
Now that we've got a thorough test suite, we want to make sure tests are run anytime we push code to GitHub. We can setup GitHub Actions to test our code and automatically deploy it when tests pass.
Testing our URL shortener is very important now that we've implemented edit permissions on Links. We want to make sure everything works as expected for each type of user.
Here's how we'd add Users and handle edit permissions for links. See how it compares to your implementation and consider the pros/cons of each approach.
Anyone can add, edit, and delete any Link in our URL Shortener database. Your challenge is to add users, associate links with them and only allow editing of your own links.
We're ready to deploy our URL Shortener to production and we're going to do that using Hatchbox.io
Copy to clipboard is a required feature for a URL shortener. We'll implement this with two JavaScript libraries (clipboardjs and tippy.js) and a Stimulus controller.
We can retrieve the title, description, and OpenGraph metadata for URLs. Since HTTP requests can be slow, we'll implement this metadata lookup in a background job and broadcast to the frontend with Turbo.
It's time we start cleaning up the design and UI for a better experience with our URL shortener.
Analytics for links is a useful feature so lets record Views for links and show them in a graph
